Chāndogya Upaniṣad 7.2

7.2.1

vāg vāva nāmno bhūyasī \
vāg vā ṛgvedaṃ vijñāpayati yajurvedaṃ sāmavedam ātharvaṇaṃ caturtham itihāsapurāṇaṃ pañcamaṃ vedānāṃ vedaṃ pitryaṃ rāśiṃ daivaṃ nidhiṃ vākovākyam ekāyanaṃ devavidyāṃ brahmavidyāṃ bhūtavidyāṃ kṣatravidyāṃ nakṣatravidyāṃ sarpadevajanavidyāṃ divaṃ ca pṛthivīṃ ca vāyuṃ cākāśaṃ cāpaś ca tejaś ca devāṃś ca manuṣyāṃś ca paśūṃś ca vayāṃsi ca tṛṇavanaspatīñ śvāpadāny ākīṭapataṅgapipīlakaṃ dharmaṃ cādharmaṃ+

1. ‘Speech (vāc), assuredly, is more than Name. Speech, verily, makes known the Rig-Veda, the Yajur-Veda, the Sāma-Veda, the Atharva-Veda as the fourth, Legend and Ancient Lore as the fifth, the Veda of the Vedas [i. e. Grammar], Rites for the Manes, Mathematics, Augury, Chronology, Logic, Polity, the Science of the Gods, the Science of Sacred Knowledge, Demonology, Military Science, Astrology, the Science of Snake-charming, and the Fine Arts, as well as heaven and earth, wind and space, water and heat, gods and

7.2.2

ca satyaṃ cānṛtaṃ ca sādhu cāsādhu ca hṛdayajñaṃ cāhṛdayajñaṃ ca \

men, beasts and birds, grass and trees, animals together with worms, flies, and ants, right and wrong, true and false, good and bad, pleasant and unpleasant. Verily, if there were no speech, neither right nor wrong would be known, neither true nor false, neither good nor bad, neither pleasant nor unpleasant. Speech, indeed, makes all this known. Reverence Speech.

7.2.3

yad vai vāṅ nābhaviṣyan na dharmo nādharmo vyajñāpayiṣyan na satyaṃ nānṛtaṃ na sādhu nāsādhu na hṛdayajño nāhṛdayajñaḥ \

7.2.4

vāg evaitad sarvaṃ vijñāpayati vācam upāssveti \\702.1\

7.2.5

sa yo vācaṃ brahmety upāste \

2. He who reverences Speech as Brahma—as far as Speech goes, so far he has unlimited freedom, he who reverences Speech as Brahma.’

7.2.6

yāvad vāco gataṃ tatrāsya yathākāmacāro bhavati yo vācaṃ brahmety upāste \

7.2.7

asti bhagavo vāco bhūya iti \

‘Is there, Sir, more than Speech?’

7.2.8

vāco vāva bhūyo 'stīti \

‘There is, assuredly, more than Speech.’

7.2.9

tan me bhagavān bravītv iti \\702.2\

‘Do you, Sir, tell me it.’